After New Configured setup MID Server in non-prod instance but most field are empty -how to resolve?

[Baskarank]

In Servicenow test newly configured the mid server then start the server but most of field are empty how to resovle ?

[Mark Manders]

From the looks of it, it's not validated yet, so no real connection is made yet. They should be filled automatically once everything is in order. 

[Pratiksha]

Restart the service if it stuck in validation for long time.